def merge_sorted_lists(list1, list2):
    for i in list1:
        list2.append(i)
    return list2

def split_even_odd(numbers):
    evens = [i for i in numbers if i % 2==0]
    odds  = [i for i in numbers if i % 2==1]
    return odds,evens

def find_common_items(list1, list2):
    return[i for i in list1 if i in list2]

def chunk_list(items, chunk_size):
    chunks=[]
    for i in range(1,len(items),chunk_size):
        chunk = items[i:i+chunk_size]
        chunks.append(chunk)
    return chunks